| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | |
| 2 | /* |
| 3 | * tveeprom - Contains structures and functions to work with Hauppauge |
| 4 | * eeproms. |
| 5 | */ |
| 6 | |
| 7 | #include <linux/if_ether.h> |
| 8 | |
| 9 | /** |
| 10 | * enum tveeprom_audio_processor - Specifies the type of audio processor |
| 11 | * used on a Hauppauge device. |
| 12 | * |
| 13 | * @TVEEPROM_AUDPROC_NONE: No audio processor present |
| 14 | * @TVEEPROM_AUDPROC_INTERNAL: The audio processor is internal to the |
| 15 | * video processor |
| 16 | * @TVEEPROM_AUDPROC_MSP: The audio processor is a MSPXXXX device |
| 17 | * @TVEEPROM_AUDPROC_OTHER: The audio processor is another device |
| 18 | */ |
| 19 | enum tveeprom_audio_processor { |
| 20 | TVEEPROM_AUDPROC_NONE, |
| 21 | TVEEPROM_AUDPROC_INTERNAL, |
| 22 | TVEEPROM_AUDPROC_MSP, |
| 23 | TVEEPROM_AUDPROC_OTHER, |
| 24 | }; |
| 25 | |
| 26 | /** |
| 27 | * struct tveeprom - Contains the fields parsed from Hauppauge eeproms |
| 28 | * |
| 29 | * @has_radio: 1 if the device has radio; 0 otherwise. |
| 30 | * @has_ir: If has_ir == 0, then it is unknown what the IR |
| 31 | * capabilities are. Otherwise: |
| 32 | * bit 0) 1 (= IR capabilities are known); |
| 33 | * bit 1) IR receiver present; |
| 34 | * bit 2) IR transmitter (blaster) present. |
| 35 | * @has_MAC_address: 0: no MAC, 1: MAC present, 2: unknown. |
| 36 | * @tuner_type: type of the tuner (TUNER_*, as defined at |
| 37 | * include/media/tuner.h). |
| 38 | * @tuner_formats: Supported analog TV standards (V4L2_STD_*). |
| 39 | * @tuner_hauppauge_model: Hauppauge's code for the device model number. |
| 40 | * @tuner2_type: type of the second tuner (TUNER_*, as defined |
| 41 | * at include/media/tuner.h). |
| 42 | * @tuner2_formats: Tuner 2 supported analog TV standards |
| 43 | * (V4L2_STD_*). |
| 44 | * @tuner2_hauppauge_model: tuner 2 Hauppauge's code for the device model |
| 45 | * number. |
| 46 | * @audio_processor: analog audio decoder, as defined by enum |
| 47 | * tveeprom_audio_processor. |
| 48 | * @decoder_processor: Hauppauge's code for the decoder chipset. |
| 49 | * Unused by the drivers, as they probe the |
| 50 | * decoder based on the PCI or USB ID. |
| 51 | * @model: Hauppauge's model number |
| 52 | * @revision: Card revision number |
| 53 | * @serial_number: Card's serial number |
| 54 | * @rev_str: Card revision converted to number |
| 55 | * @MAC_address: MAC address for the network interface |
| 56 | */ |
| 57 | struct tveeprom { |
| 58 | u32 has_radio; |
| 59 | u32 has_ir; |
| 60 | u32 has_MAC_address; |
| 61 | |
| 62 | u32 tuner_type; |
| 63 | u32 tuner_formats; |
| 64 | u32 tuner_hauppauge_model; |
| 65 | |
| 66 | u32 tuner2_type; |
| 67 | u32 tuner2_formats; |
| 68 | u32 tuner2_hauppauge_model; |
| 69 | |
| 70 | u32 audio_processor; |
| 71 | u32 decoder_processor; |
| 72 | |
| 73 | u32 model; |
| 74 | u32 revision; |
| 75 | u32 serial_number; |
| 76 | char rev_str[5]; |
| 77 | u8 MAC_address[ETH_ALEN]; |
| 78 | }; |
| 79 | |
| 80 | /** |
| 81 | * tveeprom_hauppauge_analog - Fill struct tveeprom using the contents |
| 82 | * of the eeprom previously filled at |
| 83 | * @eeprom_data field. |
| 84 | * |
| 85 | * @c: I2C client struct |
| 86 | * @tvee: Struct to where the eeprom parsed data will be filled; |
| 87 | * @eeprom_data: Array with the contents of the eeprom_data. It should |
| 88 | * contain 256 bytes filled with the contents of the |
| 89 | * eeprom read from the Hauppauge device. |
| 90 | */ |
| 91 | void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, |
| 92 | unsigned char *eeprom_data); |
| 93 | |
| 94 | /** |
| 95 | * tveeprom_read - Reads the contents of the eeprom found at the Hauppauge |
| 96 | * devices. |
| 97 | * |
| 98 | * @c: I2C client struct |
| 99 | * @eedata: Array where the eeprom content will be stored. |
| 100 | * @len: Size of @eedata array. If the eeprom content will be latter |
| 101 | * be parsed by tveeprom_hauppauge_analog(), len should be, at |
| 102 | * least, 256. |
| 103 | */ |
| 104 | int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len); |